Ultrasonic assisted manufacturing processes : variational model and numerical simulations

Amir, Muhammad and El Sayed, Tamer (2012) Ultrasonic assisted manufacturing processes : variational model and numerical simulations. Ultrasonics, 52 (4). pp. 521-529. ISSN 0041-624X

Abstract

We present a computational study of ultrasonic assisted manufacturing processes including sheet metal forming, upsetting, and wire drawing. A fully variational porous plasticity model is modified to include ultrasonic softening effects and then utilized to account for instantaneous softening when ultrasonic energy is applied during deformation. Material model parameters are identified via inverse modeling, i.e. by using experimental data. The versatility and predictive ability of the model are demonstrated and the effect of ultrasonic intensity on the manufacturing process at hand is investigated and compared qualitatively with experimental results reported in the literature.

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• Item metadata

  Item type:	Article
  ID code:	37316
  Dates:	Date Event April 2012 Published
  Keywords:	ultrasonic softening, wire drawing, finite element analysis, porous metal plasticity , constitutive model, Engineering design, Acoustics and Ultrasonics
  Subjects:	Technology > Engineering (General). Civil engineering (General) > Engineering design
  Department:	Faculty of Engineering > Design, Manufacture and Engineering Management
  Depositing user:	Pure Administrator
  Date deposited:	03 Feb 2012 11:58
  Last modified:	20 Aug 2021 02:30
  URI:	https://strathprints.strath.ac.uk/id/eprint/37316